Modificacion a ejemplos

.gitignore

@@ -1,3 +1,4 @@
 .tmp
 videos
 build
+.DS_Store

.nvimrc

@@ -0,0 +1,2 @@
+au BufWritePost src/*.tex silent make build/%:t:r.pdf | echo "Done"
+

Makefile

@@ -1,5 +1,3 @@
-
-
 build/%.pdf: src/%.tex
 	mkdir -p $(shell dirname $@)
 	rm -rf .tmp
@@ -8,6 +6,5 @@ build/%.pdf: src/%.tex
 	cd .tmp ; pdflatex input.tex
 	cp .tmp/input.pdf $@
 
-serve:
-	mkdir -p build
-	python -m http.server --directory build/
+clean:
+	rm -rf build

src/d1-01-ejemplo.tex

@@ -0,0 +1,40 @@
+\documentclass{article}
+
+\usepackage[utf8]{inputenc}
+\usepackage[dvipsnames]{xcolor}
+\usepackage{tikz}
+
+
+% -- Cuerpo del documento
+\begin{document}
+	Hola mundo.
+	
+	\section{Ejemplo}
+	
+	\begin{figure}[h!]
+	\centering
+	\begin{tikzpicture}
+        \draw[thick, OliveGreen, fill=OliveGreen!25] (0, 0) rectangle (4, 4);
+        \draw[thick, OliveGreen, fill=White!0] (2, 2) circle (2);
+        \draw[semithick, dashed, gray] (2, 2) to (4, 2);
+        \node[above] at (3, 2) {$R$};
+        \node[below] at (2, 0) {$A = (4 - \pi) R^2$};
+	\end{tikzpicture}
+	\caption{Área de la región sombreada.}	
+	\end{figure}
+	
+	\section{Ejemplo}
+	
+	\begin{figure}[h!]
+	\centering	
+	
+	\begin{tikzpicture}
+		\draw[thick, Green, fill = Green!15] (0,0) rectangle (5,3);
+		\node at (2.5,1.5) {$2x(3x + 7)$};
+		\draw[|-|] (5.5,3) to node[fill = white] {$2x$} (5.5,0);
+		\draw[|-|] (0,-0.5) to node[fill = white] {$3x + 7$} (5,-0.5);
+    \end{tikzpicture}
+		
+	\caption{Expresión algebraica del área de un rectángulo.}	
+	\end{figure}
+\end{document}

src/d1.tex

@@ -1,12 +0,0 @@
-% -- Preámbulo
-\documentclass{article}
-
-% idioma y entrada
-\usepackage[utf8]{inputenc}
-
-
-% -- Cuerpo del documento
-\begin{document}
-    Hola mundo 3
-
-\end{document}