MaimMim Man in the middle minetest interceptor

- prototype
- between client and server, allow to capture all exchanges and potentially change them
- created to capture server maps in laby
- first test get only MapBlock, support version serialization version 28
  - prepartion for 29 with zstd but untested.

# Conflicts:
#	fetch_dependencies.sh

.idea/libraries/artgaphics_0_1_0.xml

@@ -1,9 +0,0 @@
-<component name="libraryTable">
-  <library name="artgaphics-0.1.0">
-    <CLASSES>
-      <root url="jar://$PROJECT_DIR$/libs/artgaphics-0.1.0.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES />
-  </library>
-</component>

.idea/libraries/zstd_jni_1_5_2_2.xml

@@ -0,0 +1,9 @@
+<component name="libraryTable">
+  <library name="zstd-jni-1.5.2-2">
+    <CLASSES>
+      <root url="jar://$PROJECT_DIR$/libs/zstd-jni-1.5.2-2.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES />
+  </library>
+</component>