Composer: Migrate project to Composer and PSR-4 autoloader

.gitignore

@@ -1,4 +1,6 @@
 /nbproject
 /nbproject/private/
 /view/analytics.html
-/doc/
+/doc/
+/vendor/
+/.idea/

Dockerfile

@@ -1,4 +1,4 @@
-FROM programistyk/php-runtimes:7.2-nginx
+FROM programistyk/php-runtimes:7.4-nginx
 ADD . /app
 ADD config.nginx /etc/nginx/sites-enabled/default
 ADD fuelio.ini /usr/local/etc/php/conf.d/fuelio.ini

README.md

@@ -1,5 +1,5 @@
 # FuelioImport
-Data converter for importingo into great Fuelio app. Currently very limited (but working) GUI is available for PHP 5 built-int webserver.
+Data converter for importingo into great Fuelio app. Currently very limited (but working) GUI is available for PHP built-int webserver.
 
 FuelioImport is developed from the need to move personal fillups history from Motostat and aCar, but it is designed to offer ease of extension for new formats.
 
@@ -29,6 +29,6 @@ After importing into Fuelio, remember to verify or set your cars fuel type! Fuel
 Drivvo backups are locale-dependant, so in order to support all of them, we need to be given more examples. Currently spanish, english and polish backups should be working fine. Others might missinterpret "refuelling to full" flag. 
 
 ## Requirements
-FuelioImport converter is built for current PHP version (PHP7), but any stable PHP version should do the job.
+FuelioImport converter is built for PHP version 7.4.
 
  * For aCar backup we need SimpleXMLElement and Zip support

apigen.neon

@@ -1,5 +1,5 @@
 source:
-    - lib
+    - src
 
 destination: doc
 templateTheme: bootstrap

composer.json

@@ -0,0 +1,46 @@
+{
+    "name": "programistyk/fuelio",
+    "description": "Fuelio Imports Converter",
+    "type": "project",
+    "homepage": "https://fuelio.programistyk.pl",
+    "require": {
+        "php": "^7.4",
+        "ext-zip": "*",
+        "ext-simplexml": "*",
+        "ext-xml": "*",
+        "ext-json": "*"
+    },
+    "require-dev": {
+        "vimeo/psalm": "^4.23",
+        "phpstan/phpstan": "^1.7"
+    },
+    "license": "MIT",
+    "autoload": {
+        "psr-4": {
+            "FuelioImporter\\": "src/"
+        }
+    },
+    "authors": [
+        {
+            "name": "Kamil Kamiński",
+            "email": "kamil@programistyk.pl",
+            "homepage": "https://programistyk.pl",
+            "role": "Developer"
+        },
+        {
+            "name": "Adrian Kajda",
+            "role": "Developer"
+        }
+    ],
+    "support": {
+        "issues": "https://github.com/Programistyk/FuelioImport/issues",
+        "source": "https://github.com/Programistyk/FuelioImport"
+    },
+    "minimum-stability": "stable",
+    "config": {
+        "platform": {
+            "php": "7.4"
+        },
+        "sort-packages": true
+    }
+}