feat: add basic support for bash completion

static/completion.bash

@@ -0,0 +1,45 @@
+#!/bin/bash
+
+# mfm Bash completion script
+
+_mfm() {
+    local cur prev opts
+    COMPREPLY=()
+    cur="${COMP_WORDS[COMP_CWORD]}"
+    prev="${COMP_WORDS[COMP_CWORD-1]}"
+
+    # Options globales pour 'mfm'
+    local mfm_global_opts="-c --config -v --verbose -o --open --version -h --help"
+
+    # Commandes pour 'mfm'
+    local mfm_cmds="config mapping completion"
+
+    # Options pour 'config' et 'mapping'
+    local config_opts="init"
+    local mapping_opts="list create edit mount umount delete"
+
+    # Ajouter les options globales à chaque cas
+    case "${prev}" in
+        mfm)
+            COMPREPLY=($(compgen -W "${mfm_cmds} ${mfm_global_opts}" -- ${cur}))
+            return 0
+            ;;
+        config)
+            COMPREPLY=($(compgen -W "${config_opts} ${mfm_global_opts}" -- ${cur}))
+            return 0
+            ;;
+        mapping)
+            COMPREPLY=($(compgen -W "${mapping_opts} ${mfm_global_opts}" -- ${cur}))
+            return 0
+            ;;
+        *)
+            if [[ ${cur} == -* ]]; then
+                COMPREPLY=($(compgen -W "${mfm_global_opts}" -- ${cur}))
+            fi
+            return 0
+            ;;
+    esac
+}
+
+# Appliquer la complétion à la fonction 'mfm'
+complete -F _mfm mfm