Mirage III mod version 2.5.7.01 support (#351)

* Implemented support for the Mirage III mod version 2.5.7.01.

* Switched the Mirage III CAS loadouts for bombs.

* Updated changelog.

* Modified   resources/factions/argentina_1982.json

resources/units/aircraft/VSN_MirageIIIC.yaml

@@ -0,0 +1,21 @@
+description:
+  The Dassault Mirage III is a family of single/dual-seat, single-engine, fighter aircraft
+  developed and manufactured by French aircraft company Dassault Aviation. It was the first
+  Western European combat aircraft to exceed Mach 2 in horizontal flight, a feat which was
+  achieved on 24 October 1958.
+  This is the interceptor variant.
+introduced: 1961
+manufacturer: Dassault
+origin: France
+price: 12
+role: Interceptor
+max_range: 150
+gunfighter: true
+variants:
+  Mirage IIIB/C: {}
+tasks:
+  BARCAP: 210
+  Escort: 210
+  Fighter sweep: 210
+  Intercept: 210
+  TARCAP: 210

resources/units/aircraft/VSN_MirageIIIC_AG.yaml

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+description:
+  The Dassault Mirage III is a family of single/dual-seat, single-engine, fighter aircraft
+  developed and manufactured by French aircraft company Dassault Aviation. It was the first
+  Western European combat aircraft to exceed Mach 2 in horizontal flight, a feat which was
+  achieved on 24 October 1958.
+  This is the ground attack variant.
+introduced: 1961
+manufacturer: Dassault
+origin: France
+price: 12
+role: Fighter Bomber
+max_range: 150
+gunfighter: true
+variants:
+  Mirage IIIB/C A/G: {}
+tasks:
+  BAI: 210
+  CAS: 210
+  DEAD: 210
+  OCA/Aircraft: 210
+  OCA/Runway: 190
+  Strike: 210

resources/units/aircraft/VSN_MirageIIIS.yaml

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+description:
+  The Dassault Mirage III is a family of single/dual-seat, single-engine, fighter aircraft
+  developed and manufactured by French aircraft company Dassault Aviation. It was the first
+  Western European combat aircraft to exceed Mach 2 in horizontal flight, a feat which was
+  achieved on 24 October 1958.
+  The Mirage IIIS is the Swiss attack, interception and reconnaissance variant.
+introduced: 1967
+manufacturer: Dassault
+origin: France
+price: 12
+role: Multirole Fighter
+max_range: 150
+gunfighter: true
+variants:
+  Mirage IIIS: {}
+tasks:
+  BARCAP: 220
+  Escort: 220
+  Fighter sweep: 220
+  Intercept: 220
+  TARCAP: 220
+  BAI: 220
+  CAS: 220
+  DEAD: 220
+  OCA/Aircraft: 220
+  OCA/Runway: 200
+  Strike: 220