Added dev-machine packages

arch.yaml

@@ -13,3 +13,4 @@
     - zsh
     - neovim
     - tools
+    - dev-machine

roles/dev-machine/tasks/main.yaml

@@ -0,0 +1,18 @@
+---    
+- name: install os packages
+  package:
+      name:
+        - cmake
+        - llvm
+        - clang
+        - python-pip
+      state: latest
+
+- name: install python packages
+  become_user: "{{ account.name }}"
+  pip:
+      name: 
+        - conan
+        - python-language-server
+      state: latest
+      extra_args: --user