add CI/CD (shellcheck)

.shellcheck/build.cfg

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+PackageBuildOrder="SomePackageName SomePackageNameMut"
+PackageUpload="SomePackageName SomePackageNameMut"

.shellcheck/test.cfg

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+# Test parameters 
+
+# Map:
+Map="KF-Nuked"
+
+# Game:
+# Survival:       KFGameContent.KFGameInfo_Survival
+# WeeklyOutbreak: KFGameContent.KFGameInfo_WeeklySurvival
+# Endless:        KFGameContent.KFGameInfo_Endless
+# Objective:      KFGameContent.KFGameInfo_Objective
+# Versus:         KFGameContent.KFGameInfo_VersusSurvival
+Game="KFGameContent.KFGameInfo_Survival"
+
+# Difficulty:
+# Normal:         0
+# Hard:           1
+# Suicide:        2
+# Hell:           3
+Difficulty="0"
+
+# GameLength:
+# 4  waves:       0
+# 7  waves:       1
+# 10 waves:       2
+GameLength="0"
+
+# Mutators
+Mutators="SomePackageName.SomePackageNameMut"
+
+# Additional parameters
+Args=""