Documentation, use interfaces and rewrite bin scripts

Author: SleeplessByte

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+  "typescript.tsdk": "node_modules\\typescript\\lib"
+}

bin/analyze.bat

@@ -1,4 +1,4 @@
 @REM Usage:
-@REM ./bin/analyze.bat two_fer ~/test/
+@REM ./bin/analyze.bat two-fer ~/test/
 
 node -r esm ./dist/analyze.js %*

bin/analyze.sh

@@ -1,6 +1,6 @@
 #!/usr/bin/env sh
 
 # Usage:
-# ./bin/analyze.sh two_fer ~/test/
+# ./bin/analyze.sh two-fer ~/folder/to/solution
 
 node -r esm ./dist/analyze.js "$@"

bin/batch-runner

@@ -0,0 +1,4 @@
+@REM Usage:
+@REM ./bin/batch.bat two-fer
+
+node -r esm ./dist/batch.js %*

bin/batch.bat

@@ -0,0 +1,6 @@
+#!/usr/bin/env sh
+
+# Usage:
+# ./bin/batch.sh two-fer
+
+node -r esm ./dist/batch.js "$@"

bin/batch.sh

@@ -0,0 +1,4 @@
+@REM Usage:
+@REM ./bin/stats.bat two-fer
+
+node -r esm ./dist/stats.js %*

bin/statistics

@@ -0,0 +1,6 @@
+#!/usr/bin/env sh
+
+# Usage:
+# ./bin/stats.sh two-fer
+
+node -r esm ./dist/stats.js "$@"

bin/stats.bat

@@ -1,4 +1,4 @@
-export class Exercise {
+export class ExerciseImpl implements Exercise {
   constructor(public readonly slug: string) {
     if (!slug) {
       throw new Error(`Expected valid exercise slug, got '${slug}'`)