chore: rework plugin readmes, json changelogs and standalone repo setup

plugins/acme-ssl/CHANGELOG.json

@@ -0,0 +1,26 @@
+{
+  "$schema": "https://raw.githubusercontent.com/Termix-SSH/Termix/main/packages/plugin-sdk/schema/changelog.schema.json",
+  "releases": [
+    {
+      "version": "1.0.0",
+      "changes": [
+        {
+          "type": "added",
+          "text": "Certificates from Let's Encrypt or any ACME directory"
+        },
+        {
+          "type": "added",
+          "text": "HTTP challenge on port 80, or a Cloudflare DNS challenge when port 80 is closed"
+        },
+        {
+          "type": "added",
+          "text": "Renews before the certificate expires"
+        },
+        {
+          "type": "added",
+          "text": "Swaps in the new certificate without a restart"
+        }
+      ]
+    }
+  ]
+}