docs: add README.md summarizing repository contents

Co-authored-by: kubaniak <65218910+kubaniak@users.noreply.github.com>

Author: google-labs-jules[bot]

README.md

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+# Python Scripts and Mini Projects
+
+This repository contains a collection of small Python scripts, tutorials, and mini-projects covering various topics such as machine learning, web scraping, physics simulations, and general utilities.
+
+## Directory Summary
+
+- **IMDB_movie_revies_text_classification**: Text classification models for IMDB movie reviews, including hyperparameter tuning with Optuna.
+- **WordFinder**: Utility to check if words exist in an English dictionary using the NLTK corpus.
+- **applied_FEA**: Scripts and exercises related to Applied Finite Element Analysis (FEA).
+- **cifar-10_image_classification**: Image classification on the CIFAR-10 dataset using deep learning.
+- **course_scraper**: Web scraper for the ETH Zurich course catalog (VVZ) with a feature to convert JSON output to PDF.
+- **energy_levels_3d_inf_sq_well**: Physics simulation calculating energy levels, combinations, and degeneracies for a particle in a 3D infinite square well.
+- **fluid_sim_python**: Fluid dynamics simulation implementations for both CPU and GPU.
+- **foehndiagram_scrape**: A Scrapy project designed to scrape foehn wind diagrams.
+- **kite_weather_digest**: Script to scrape kite surfing weather data (e.g., Windguru) and generate a digest.
+- **manim**: Example animation scenes using the Manim library.
+- **memo_fib**: A simple implementation of the Fibonacci sequence using memoization to optimize recursive calls.
+- **meteoswiss_data**: Scripts to download, process, and analyze MeteoSwiss weather data, including COSMO models and foehn index calculations.
+- **moodle_csv_to_mail**: A utility script to parse a Moodle participant CSV file and extract email addresses into a semicolon-separated list.
+- **n_body_problem**: A physics simulation of the N-body problem.
+- **qr_code_generator**: A simple tool to generate custom QR codes from text or URLs.
+- **scrapy_tutorial**: A basic tutorial implementation of Scrapy, including a quotes and author spider.
+- **specific_heat_experiment**: Data analysis and plotting scripts for specific heat capacity experiments involving water, aluminum, and copper.
+- **tecson_api**: Scripts to interact with the Tecson API and fetch weather data.
+- **tensorflow_tutorial**: Introductory scripts and tutorials for getting started with TensorFlow.
+- **topomap**: A utility to parse a CSV of topographic map URLs and download the corresponding files.
+- **weather_app**: A simple Flask web application that allows users to look up current weather by city.
+- **word_finder**: A tool to load an English dictionary from JSON and find permutations or valid words.