added css and functions to make some acf fields read-only

plugins/cipf_plugin/css/acf_fields.css

@@ -0,0 +1,17 @@
+.read_only_cipf {
+	.acf-input {
+		position: relative;
+		* {
+			cursor: default;
+			pointer-events: none;
+		}
+		> * {
+			color: #666;
+			background-color: #f0f0f1;
+			filter: grayscale(100%);
+		}
+		textarea {
+			pointer-events: auto;
+		}
+	}
+}