Copied code from the bash framework and add json based config file support

config.bash

@@ -0,0 +1,45 @@
+#!/bin/bash
+
+JSON_FILE="config.json"
+
+read_json() {
+    local JSON_FILE="$1"
+    local SECTION="$2"
+    local KEY="$3"
+
+    jq -r ".${SECTION}.${KEY}" "$JSON_FILE"
+}
+
+# Function to write a value to a JSON configuration file
+write_json() {
+    local JSON_FILE="$1"
+    local SECTION="$2"
+    local KEY="$3"
+    local VALUE="$4"
+    
+     # It important to check if the file is valid  otherwise stuff breaks
+     if ! jq -e . < "$JSON_FILE" > /dev/null 2>&1; then
+        echo "Error: JSON file is not valid JSON."
+        return 1
+    fi
+    
+    # Using jq to set the value. The original file is replaced with a new file with the updated value.
+    jq ".${SECTION}.${KEY} = \"$VALUE\"" "$JSON_FILE" > "temp.json" && mv "temp.json" "$JSON_FILE"
+   
+}
+
+create_json() {
+    local JSON_FILE="$1"
+    echo '{"bashini": "new"}' | jq '.' > "$JSON_FILE" # well we need something in there
+    write_json "$JSON_FILE" "restic" "password" "backupsarefun" # for the openwrt backup script here for testing
+}
+
+check_json() {
+    local JSON_FILE="$1"
+    if [ ! -f "$JSON_FILE" ]; then
+        create_json "$JSON_FILE"
+    fi
+}
+
+check_json "$JSON_FILE"
+