Move single ansible playbook to ansible directory

Make ansible playbook properly- use ansible-galaxy init commands.

ansible/arch_swap/tasks/main.yml

@@ -0,0 +1,54 @@
+---
+# Create swap
+- name: Turn off swap
+  command: "swapoff --all"
+  become: yes
+- name: Remove old swap file
+  file:
+    state: absent
+    path: "{{ swap_file_path }}"
+  become: yes
+- name: Create swap file
+  command: truncate -s 0 "{{ swap_file_path }}"
+            creates="{{ swap_file_path }}"
+  become: yes
+- name: Set swap compression
+  command: chattr +C "{{ swap_file_path }}"
+  become: yes
+- name: Allocate swap space
+  command: fallocate -l "{{ swap_file_size_mb }}M" "{{ swap_file_path }}"
+  become: yes
+- name: Change swap file permissions
+  file: path="{{ swap_file_path }}"
+        owner=root
+        group=root
+        mode=0600
+  become: yes
+- name: "Check swap file type"
+  command: file {{ swap_file_path }}
+  register: swapfile
+  become: yes
+- name: Make swap file
+  command: "mkswap {{ swap_file_path }}"
+  become: yes
+- name: Write swap entry in fstab
+  mount: name=none
+        src={{ swap_file_path }}
+        fstype=swap
+        opts=sw
+        passno=0
+        dump=0
+        state=present
+  become: yes
+- name: Mount swap
+  command: "swapon {{ swap_file_path }}"
+  become: yes
+- name: Set swappiness
+  command: sysctl -w vm.swappiness=1
+  become: yes
+- name: Make swappiness permanent
+  copy:
+    dest: "/etc/sysctl.d/99-swappiness.conf"
+    content: |
+      vm.swappiness=1
+  become: yes