feat(release): configure release-please for automated releases

- Add release-please configuration for automated versioning
- Add release manifest for tracking version changes
- Enable conventional commit checks for PR titles and commits

Author: abbesBenayache

.release-please-manifest.json

@@ -0,0 +1,10 @@
+{
+  "packages": {
+    ".": {
+      "version": "1.2.2"
+    },
+    "dapp": {
+      "version": "0.9.0"
+    }
+  }
+}

release-please-config.json

@@ -0,0 +1,39 @@
+{
+  "$schema": "https://raw.githubusercontent.com/googleapis/release-please/main/schemas/config.json",
+  "include-component-in-tag": false,
+  "changelog-sections": [
+    { "type": "feat", "section": "Added", "hidden": false },
+
+    { "type": "fix", "section": "Changed", "hidden": false },
+    { "type": "change", "section": "Changed", "hidden": false },
+    { "type": "deprecate", "section": "Changed", "hidden": false },
+    { "type": "revert", "section": "Changed", "hidden": false },
+    { "type": "security", "section": "Changed", "hidden": false },
+    { "type": "perf", "section": "Changed", "hidden": false },
+    { "type": "refactor", "section": "Changed", "hidden": false },
+
+    { "type": "remove", "section": "Removed", "hidden": false },
+
+    { "type": "style", "section": "Misc", "hidden": true },
+    { "type": "build", "section": "Misc", "hidden": true },
+    { "type": "chore", "section": "Misc", "hidden": true },
+    { "type": "test", "section": "Misc", "hidden": true },
+    { "type": "deps", "section": "Misc", "hidden": true },
+    { "type": "ci", "section": "Misc", "hidden": true },
+    { "type": "docs", "section": "Misc", "hidden": true }
+  ],
+  "packages": {
+    ".": {
+      "release-type": "node",
+      "changelog-path": "CHANGELOG.md",
+      "include-v-in-tag": true,
+      "tag-format": "sdk-v${version}"
+    },
+    "dapp": {
+      "release-type": "node",
+      "changelog-path": "dapp/CHANGELOG.md",
+      "include-v-in-tag": true,
+      "tag-format": "dapp-v${version}"
+    }
+  }
+}