chore: reorganize para current/, rails 8.1, testes e readme

- move app para current/ (estrutura capistrano)
- rails 7.2 → 8.1, ruby 3.2, sqlite3 2.x
- adiciona primary_key Idinformativo no model
- schema.rb completo com todas as tabelas
- testes minitest: models (Tag, Informativo, Tema) e controllers
- readme atualizado em pt-br com stack e instruções de desenvolvimento
- gitignore exclui dump.sql, *.duckdb e sqlite3

current/app/assets/config/manifest.js

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+//= link_tree ../images
+//= link_directory ../javascripts .js
+//= link_directory ../stylesheets .css

current/app/assets/javascripts/active_admin.js

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+//= require trix
+//= require active_admin/base
+//= require activeadmin_addons/all

current/app/assets/javascripts/admin/active_admin.js

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+//= require active_admin/base

current/app/assets/javascripts/application.js

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+// This is a manifest file that'll be compiled into application.js, which will include all the files
+// listed below.
+//
+// Any JavaScript/Coffee file within this directory, lib/assets/javascripts, or any plugin's
+// vendor/assets/javascripts directory can be referenced here using a relative path.
+//
+// It's not advisable to add code directly here, but if you do, it'll appear at the bottom of the
+// compiled file. JavaScript code in this file should be added after the last require_* statement.
+//
+// Read Sprockets README (https://github.com/rails/sprockets#sprockets-directives) for details
+// about supported directives.
+//
+//= require jquery-3.4.0.min
+
+$(document).ready(function(){
+  console.log("- by http://extrapolo.com -")
+});

current/app/assets/stylesheets/active_admin.scss

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+@import 'activeadmin_addons/all';
+// SASS variable overrides must be declared before loading up Active Admin's styles.
+//
+// To view the variables that Active Admin provides, take a look at
+// `app/assets/stylesheets/active_admin/mixins/_variables.scss` in the
+// Active Admin source.
+//
+// For example, to change the sidebar width:
+// $sidebar-width: 242px;
+
+// Active Admin's got SASS!
+@import "active_admin/mixins";
+@import "active_admin/base";
+
+//*= require trix
+.trix-button--icon-attach{
+  display: none
+}
+
+// Overriding any non-variable SASS must be done after the fact.
+// For example, to change the default status-tag color:
+//
+//   .status_tag { background: #6090DB; }

current/app/assets/stylesheets/application.css

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+p{
+  margin: 0px;
+  padding: 0px;
+}
+
+@font-face {
+  font-family: 'wild';
+  src: url('wildgrowth-webfont.woff2') format('woff2'),
+      url('wildgrowth-webfont.woff') format('woff');
+  font-weight: normal;
+  font-style: normal;
+}
+
+body {
+  padding: 20px;
+  font-family: 'Fira Sans', monospace;
+  background-color: #fff;
+  color: #4c4e4d;
+  background-image: url(bg.png);
+  background-repeat: repeat;
+  background-attachment: fixed;
+}
+
+a{
+  text-decoration: none;
+  color: #4c4e4d;
+}
+a:hover {
+  color:black;
+}
+
+#temas{
+  display: inline-block;
+  padding-right: 40px;
+  float: left;
+  width: 300px
+}
+
+.tema{
+	display: block;
+	background-color: #12d612d1;
+	margin: 5px;
+	padding: 2px;
+	padding-left: 10px;
+	padding-right: 10px;
+	color: black;
+	font-size: 14px;
+	padding-top: 4px;
+	text-decoration: none;
+}
+.tema:hover{
+	color: white;
+	background-color: green;
+	cursor: pointer;
+}
+.content{
+	display: contents;
+	color: black;
+}
+.content:hover{
+	color: white
+}
+.right{
+	float: right;
+	padding-left: 20px;
+}
+.logo{
+  font-family: "wild";
+  font-size: 30px;
+  padding-left: 50px;
+  letter-spacing: 3px;
+  text-shadow: 9px 5px 5px #0061226e; 
+  user-select: none;
+  font-weight: bold;
+}
+.logo_img{
+	width: 215px;
+    padding: 3px 0px 0px 15px;
+}
+.texto{
+  font-size: 14px;
+  padding: 10px 10px 10px 0px;
+  background-color: white;
+  margin-top: 15px;
+  /* padding: 10px; */
+  border: 1px solid #80808036;
+  padding: 15px;
+  margin-bottom: 15px;
+  box-shadow: 5px 4px 14px 0px #80808038;
+}
+.texto>p{
+	margin-bottom: 10px;
+	line-height: 18px
+}
+#busca{
+	display: inline-block;
+	float: right;
+	padding-right: 25px;
+	padding-top: 12px;
+}
+.busca-btn{
+	padding: 3px;
+	border: 1px;
+	font-weight: 900;
+	width: 25px;
+	color: white;
+	background-color: #006122;
+}
+.busca-input{
+	font-family: 'Fira Sans';
+	padding: 3px;
+	border: 1px;
+	background-color: #33f739b0;
+	width: 190px;
+}
+#all{
+	width: 900px;
+	margin: 0px auto;
+	margin-top: 50px;
+}
+.link{
+	background-color: #ffdb00;
+	padding: 4px;
+	line-height: 33px;
+	display: inline;
+	font-weight: bold;
+}
+.tag{
+	display: inline-block;
+	padding: 4px;
+	margin: 3px;
+	background-color: #d8d4d4;
+	font-size: 12px;
+}
+#tags{
+	text-align: center;
+	padding: 10px 0px 25px 0px;
+}
+#informativos{
+	display: flow-root;
+}
+.tags{
+	margin: 2px;
+	display: inline-flex;
+	background-color: #d8d4d4b8;
+	font-size: 12px;
+	padding: 2px;
+	font-weight: normal;
+}
+h2{
+	margin: 0px
+}
+h3{
+	text-align: right;
+	font-size:15px;
+}
+
+#topo{
+	background-image: linear-gradient(to right, #47a91c, #066f09);
+	width: 100%;
+	display: inline-block;
+	top: 0px;
+	left: 0px;
+	position: absolute;
+	height: 45px;
+	border-bottom: 1px solid lightgray
+}
+
+.card{
+	/* color: black; */
+	width: 100%;
+	border-top: 1px solid lightgray;
+	padding-top: 10px;
+	display: inline-block;
+	background-color: white;
+	margin-bottom: 8px
+}
+.date{
+	font-size: 12px;
+	color: gray;
+	padding-top: 10px;
+	background-color: white;
+	display: table;
+}
+
+#nav{
+	display: inline-block;
+	width: 100%;
+	text-align: center;
+	padding: 10px;
+	font-size: 19px;
+	background-image: linear-gradient(to right, #33f739 , #329c04);
+}
+
+#baixo{
+	background-color: #d3d3d3bf;
+	font-size: 11px;
+	width: 100%;
+	/* bottom: 0px; */
+	position: fixed;
+	bottom: 0px;
+	left: 0px;
+	padding: 4px;
+	text-align: center;
+}