\documentclass[11pt]{report}
\usepackage[a4paper, total={6in, 8in}]{geometry}
\usepackage{amsmath, amssymb, amstext, esint}
\usepackage{amsthm, stackrel, xifthen, mathtools, graphicx}
\usepackage[makeroom]{cancel}
\usepackage[dvipsnames]{xcolor}
\usepackage{hyperref, bbm}
\usepackage[nameinlink]{cleveref}
\usepackage{enumerate, subcaption, minitoc}
\usepackage[shortlabels]{enumitem}
\usepackage{multicol}
\usepackage{tikz, pgfplots}
\usepackage{kbordermatrix}
\usepackage{fancyhdr}
\usepackage{pdfpages}
\usepackage[arrowdel]{physics}
\usetikzlibrary{calc,trees,decorations.markings,positioning,arrows,fit,shapes,angles,patterns}
\DeclareDocumentCommand\vnabla{}{\vectorarrow{\nabla}}

\graphicspath{assets}

\usepackage{color}
\usepackage{hyperref}
\hypersetup{
    colorlinks,
    citecolor=black,
    filecolor=black,
    linkcolor=black,
    urlcolor=black
}

\newcommand{\see}[2]{\hyperref[#2]{#1}}

\usepackage[
    type={CC},
    modifier={by-sa},
    version={4.0},
]{doclicense}

\usepackage{subfiles}

\begin{document}
\begin{titlepage}
  \begin{center}
    \vspace*{5cm}
    \Huge{Quantum-, Molecular-, and Solid State Physics}\\[1cm]
    \Large{\href{https://www.github.com/Lauchmelder23/quantumphysics}{https://www.github.com/Lauchmelder23/quantumphysics}}\\
    \normalsize{\today} \\[7,5cm]
  \end{center}
  \doclicenseThis
\end{titlepage}

\dominitoc
\tableofcontents

\hypersetup{
    colorlinks,
    citecolor=black,
    filecolor=black,
    linkcolor=RoyalBlue,
    urlcolor=black
}

\pagestyle{headings}

\end{document}