feat(qa): add dummy-ex-generator.sh

Add script to generate dummy exercises (solutions, tests and subjects) from provided templates

scripts/README-template.md

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+# Subject ${N}
+
+Some random text for subject ${N}

scripts/README.md

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+# dummy-ex-generator
+
+A simple script to generate solutions, tests and subjects for dummy exercises from provided templates.  
+The script will create 3 directories in the working directory to store the dummy exercise solutions, tests and subjects.  
+It is possible to change the number of exercises created by varying the `N` variable inside the script.

scripts/dummy-ex-generator.sh

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+#!/bin/bash
+# File: 
+
+N_FILES=10
+
+TEST_DIR='tests'
+SUBJECT_DIR='subjects'
+SOLUTIONS_DIR='solutions'
+
+TEST_TEMPLTATE='test-template.go'
+SUBJECT_TEMPLATE='README-template.md'
+SOLUTIONS_TEMPLATE='solution-template.go'
+
+mkdir -p $TEST_DIR
+mkdir -p $SUBJECT_DIR
+mkdir -p $SOLUTIONS_DIR
+
+fill_subjects() {
+	TEMPLATE=$1
+	OUTDIR=$2
+	for N in $(seq 1 $N_FILES)
+	do
+		DIR="dummy$N"
+		mkdir -p $OUTDIR/$DIR
+		cat $TEMPLATE | sed "s|\${N}|$N|g" > "./$OUTDIR/$DIR/README.md"
+	done
+}
+
+fill_solutions() {
+	TEMPLATE=$1
+	OUTDIR=$2
+	for N in $(seq 1 $N_FILES)
+	do
+		DIR="dummy$N"
+		mkdir -p $OUTDIR/$DIR
+		cat $TEMPLATE | sed "s|\${N}|$N|g" > "./$OUTDIR/$DIR/main.go"
+	done
+}
+
+fill_test() {
+	TEMPLATE=$1
+	OUTDIR=$2
+	for N in $(seq 1 $N_FILES)
+	do
+		DIR="dummy$N""_test"
+		mkdir -p $OUTDIR/$DIR
+		cat $TEMPLATE | sed "s|\${N}|$N|g" > "./$OUTDIR/$DIR/main.go"
+	done
+}
+
+fill_test $TEST_TEMPLTATE $TEST_DIR
+fill_subjects $SUBJECT_TEMPLATE $SUBJECT_DIR
+fill_solutions $SOLUTIONS_TEMPLATE $SOLUTIONS_DIR

scripts/solution-template.go

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+package main
+
+import "fmt"
+
+func main() {
+	fmt.Println("Hello World ${N}")
+}

scripts/test-template.go

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+package main
+
+import "github.com/01-edu/go-tests-training/lib/challenge"
+
+func main() {
+	challenge.Program("dummy${N}")
+}