feat: Add release-please manifest and fix config

Author: johnnyhuy

.release-please-config.json

@@ -10,11 +10,6 @@
       "draft": false,
       "prerelease": false,
       "extra-files": [
-        {
-          "type": "json",
-          "path": "package.json",
-          "jsonpath": "$.version"
-        },
         {
           "type": "toml",
           "path": "pyproject.toml",
@@ -23,4 +18,4 @@
       ]
     }
   }
-}
+}

.release-please-manifest.json

@@ -0,0 +1,3 @@
+{
+    ".": "0.1.0"
+}