Update build scripts to process only index.md and copy assets; update deploy to include assets

Makefile

@@ -52,4 +52,5 @@ install:
 # Deploy slides
 deploy: build
 	@echo "Deploying slides..."
-	scp build/index.html tengo@tuttle.uberspace.de:/home/tengo/html/malta/
+	scp build/index.html tengo@tuttle.uberspace.de:/home/tengo/html/malta/
+	scp -r build/assets/ tengo@tuttle.uberspace.de:/home/tengo/html/malta/

index.md

@@ -47,7 +47,7 @@ figure {
 }
 </style>
 
-![bg left](assets/oracle-lawsuit.png)
+![bg left](./assets/oracle-lawsuit.png)
 
 - **2014**: Oracle aquires a marketing tech start-up based in Cupertino, California, for around **$400 million**.
 

package.json

@@ -4,11 +4,11 @@
   "description": "",
   "main": "index.js",
   "scripts": {
-    "build": "marp --input-dir . --output build/",
+    "build": "marp index.md -o build/index.html && cp -r assets build/",
     "dev": "marp --server ./",
-    "watch": "marp --watch slides/",
-    "export:pdf": "marp slides/*.md --pdf --output build/",
-    "export:html": "marp slides/*.md --html --output build/",
+    "watch": "marp --watch index.md",
+    "export:pdf": "marp index.md --pdf -o build/index.pdf",
+    "export:html": "marp index.md --html -o build/index.html && cp -r assets build/",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "keywords": [],