Rewrite composer.json metadata for IndifferentKetchup fork

Rename package indifferentketchup/codex, replace authors entry with
samkintop@gmail.com, switch PSR-4 autoload roots to
IndifferentKetchup\Codex\, rewrite description as a generic log
parsing/analysis framework. License remains MIT. composer.lock left
intact; vendor/ regenerated locally via composer install (gitignored).

composer.json

@@ -1,12 +1,12 @@
 {
-  "name": "aternos/codex",
-  "description": "PHP library to read, parse, print and analyse log files.",
+  "name": "indifferentketchup/codex",
+  "description": "Generic PHP log parsing and analysis framework.",
   "license": "MIT",
   "type": "library",
   "authors": [
     {
-      "name": "Matthias Neid",
-      "email": "matthias@aternos.org"
+      "name": "indifferentketchup",
+      "email": "samkintop@gmail.com"
     }
   ],
   "require": {
@@ -17,13 +17,13 @@
   },
   "autoload": {
     "psr-4": {
-      "Aternos\\Codex\\": "src/"
+      "IndifferentKetchup\\Codex\\": "src/"
     }
   },
   "autoload-dev": {
     "psr-4": {
-      "Aternos\\Codex\\Test\\Src\\": "test/src/",
-      "Aternos\\Codex\\Test\\Tests\\": "test/tests/"
+      "IndifferentKetchup\\Codex\\Test\\Src\\": "test/src/",
+      "IndifferentKetchup\\Codex\\Test\\Tests\\": "test/tests/"
     }
   },
   "scripts": {