Convert to python module named autogpt.

Also fixed the Dockerfile.
Converting to module makes development easier.
Fixes coverage script in CI and test imports.

autogpt/ai_functions.py

@@ -0,0 +1,66 @@
+from typing import List
+import json
+from autogpt.config import Config
+from autogpt.call_ai_function import call_ai_function
+cfg = Config()
+
+
+def evaluate_code(code: str) -> List[str]:
+    """
+    A function that takes in a string and returns a response from create chat completion api call.
+
+    Parameters:
+        code (str): Code to be evaluated.
+    Returns:
+        A result string from create chat completion. A list of suggestions to improve the code.
+    """
+
+    function_string = "def analyze_code(code: str) -> List[str]:"
+    args = [code]
+    description_string = """Analyzes the given code and returns a list of suggestions for improvements."""
+
+    result_string = call_ai_function(function_string, args, description_string)
+
+    return result_string
+
+
+def improve_code(suggestions: List[str], code: str) -> str:
+    """
+    A function that takes in code and suggestions and returns a response from create chat completion api call.
+
+    Parameters:
+        suggestions (List): A list of suggestions around what needs to be improved.
+        code (str): Code to be improved.
+    Returns:
+        A result string from create chat completion. Improved code in response.
+    """
+
+    function_string = (
+        "def generate_improved_code(suggestions: List[str], code: str) -> str:"
+    )
+    args = [json.dumps(suggestions), code]
+    description_string = """Improves the provided code based on the suggestions provided, making no other changes."""
+
+    result_string = call_ai_function(function_string, args, description_string)
+    return result_string
+
+
+def write_tests(code: str, focus: List[str]) -> str:
+    """
+    A function that takes in code and focus topics and returns a response from create chat completion api call.
+
+    Parameters:
+        focus (List): A list of suggestions around what needs to be improved.
+        code (str): Code for test cases to be generated against.
+    Returns:
+        A result string from create chat completion. Test cases for the submitted code in response.
+    """
+
+    function_string = (
+        "def create_test_cases(code: str, focus: Optional[str] = None) -> str:"
+    )
+    args = [code, json.dumps(focus)]
+    description_string = """Generates test cases for the existing code, focusing on specific areas if required."""
+
+    result_string = call_ai_function(function_string, args, description_string)
+    return result_string