Modifying default variables and config

Renamed variables for defaults:
- flatpak_method -> default_flatpak_method: system
- defaults.paths.prefix -> default_install_prefix: /usr/local
New variables:
- default_install_method: package

tasks/main.yml

@@ -198,6 +198,26 @@
       ansible.builtin.include_tasks:
         file: cargo.yml
 
+- name: Build and install rust apps
+  when:
+    - pkg_cargo_build|length > 0
+  block:
+    - name: Run cargo build and install
+      loop: "{{ cargo_pkg_build }}"
+      loop_control:
+        loop_var: pkg
+      vars:
+        bin_name: "{{ pkg.bin_name | default(omit) }}"
+        bin_output: "{{ pkg.bin_output | default(omit) }}"
+        cargo_build_flags: "{{ pkg.cargo_build_flags | default(omit) }}"
+        depth: "{{ pkg.depth | default(omit) }}"
+        install_files: "{{ pkg.install_files | default(omit) }}"
+        name: "{{ pkg.name | default(omit) }}"
+        recursive: "{{ pkg.recursive | default(omit) }}"
+        repo: "{{ pkg.repo | default(omit) }}"
+      ansible.builtin.include_tasks:
+        file: helpers/cargo_build.yml
+
 - name: Install go packages
   when:
     - pkg_go|length > 0