claude: moved plugin to /tools

Signed-off-by: IonutMuthi <Ionut.Muthi@analog.com>

Author: IonutMuthi

.claude-plugin/marketplace.json

@@ -7,7 +7,7 @@
   "plugins": [
     {
       "name": "scopy_dev_plugin",
-      "source": "./scopy_dev_plugin",
+      "source": "./tools/scopy_dev_plugin",
       "description": "Scopy development tools: code generation, documentation, testing, quality checks, and styling for IIO plugin development."
     }
   ]

…py_dev_plugin/.claude-plugin/plugin.json …py_dev_plugin/.claude-plugin/plugin.jsonscopy_dev_plugin/.claude-plugin/plugin.json renamed to tools/scopy_dev_plugin/.claude-plugin/plugin.json scopy_dev_plugin/.claude-plugin/plugin.json renamed to tools/scopy_dev_plugin/.claude-plugin/plugin.json

@@ -2,7 +2,7 @@
 
 Claude Code plugin for Scopy development. Provides slash commands, knowledge skills, and hooks for building IIO device plugins.
 
-The plugin lives inside the repository at `scopy_dev_plugin/`. It is distributed via the local marketplace manifest at `.claude-plugin/marketplace.json`.
+The plugin lives inside the repository at `tools/scopy_dev_plugin/`. It is distributed via the local marketplace manifest at `.claude-plugin/marketplace.json`.
 
 ## Setup (per developer)